These LEM Sausage Stuffing Tubes are made of durable stainless steel and are easy to clean. The tubes have a 1-9/16" diameter base and come in three sizes. They are specifically designed to fit the LEM #606 (160254) and #606SS 5 lb Vertical Stuffers, the #080 3lb Horn Shaped Stuffer, and the #681 3lb Stainless Steel Horn Shaped Stuffer.